2061878 has 16 divisors (see below), whose sum is σ = 3806880. Its totient is φ = 815616.

The previous prime is 2061877. The next prime is 2061883. The reversal of 2061878 is 8781602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5483 + ... + 5846.

It is an arithmetic number, because the mean of its divisors is an integer number (237930).

2^2061878 is an apocalyptic number.

2061878 is a deficient number, since it is larger than the sum of its proper divisors (1745002).

2061878 is a wasteful number, since it uses less digits than its factorization.

2061878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11351.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 2061878 is about 1435.9240927013. The cubic root of 2061878 is about 127.2782869866.

Subtracting from 2061878 its product of nonzero digits (5376), we obtain a palindrome (2056502).

The spelling of 2061878 in words is "two million, sixty-one thousand, eight hundred seventy-eight".